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Dimethyl (1-Diazo-2-oxopropyl)phosphonate

CAS No.
90965-06-3
Chemical Name:
Dimethyl (1-Diazo-2-oxopropyl)phosphonate
Synonyms
DIMETHYL (1-DIAZO-2-OXOPROPYL)PHOSPHONATE;Ohira-Bestmann reagent;1-Diazo-1-dimethoxyphosphoryl-propan-2-one;Dimethyl (acetyldiazomethyl)phosphonate;dimethyl 1-(1-diazo-2-oxopropyl)phosphonate;1-Diazoacetonylphosphonic Acid Dimethyl Ester;Dimethyl 1-Diazoacetonylphosphonate;Dimethyl (1-azoacetonyl)phosphonate;diMethyl(1-diazo-2-oxopropyl)phosphanate;dimethyl (2-oxopropanimidoyl)phosphonate
CBNumber:
CB8489377
Molecular Formula:
C5H9N2O4P
Molecular Weight:
192.11
MDL Number:
MFCD07368360
MOL File:
90965-06-3.mol
MSDS File:
SDS
Last updated:2023-10-19 16:48:45

Dimethyl (1-Diazo-2-oxopropyl)phosphonate Properties

Density 1.28
refractive index n20/D1.352-1.354
Flash point 2℃
storage temp. 2-8°C
solubility Chloroform, Methanol (Slightly)
form Oil
color Pale Yellow to Yellow
Merck 14,1177
BRN 4247670
Stability Light Sensitive
FDA UNII 96G79J0LR6

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictogramsGHS hazard pictograms
GHS02,GHS07
Signal word  Danger
Hazard statements  H225-H302+H312+H332-H319
Precautionary statements  P210-P280-P301+P312-P303+P361+P353-P304+P340+P312-P305+P351+P338
Hazard Codes  F,Xn
Risk Statements  11-20/21/22-36
Safety Statements  16-26-36/37
RIDADR  UN 1648 3 / PGII
WGK Germany  3
HazardClass  3
PackingGroup  II
HS Code  29319090
NFPA 704
0
2 0

Dimethyl (1-Diazo-2-oxopropyl)phosphonate price More Price(25)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 742724 Dimethyl (1-diazo-2-oxopropyl)phosphonate solution ~10% in acetonitrile (H-NMR), ≥96% (HPLC) 90965-06-3 10ml $487 2024-03-01 Buy
TCI Chemical D3546 Dimethyl (1-Diazo-2-oxopropyl)phosphonate >97.0%(HPLC) 90965-06-3 1g $218 2024-03-01 Buy
TCI Chemical D3546 Dimethyl (1-Diazo-2-oxopropyl)phosphonate >97.0%(HPLC) 90965-06-3 5g $696 2024-03-01 Buy
TCI Chemical D5048 Dimethyl (1-Diazo-2-oxopropyl)phosphonate (10% in Acetonitrile) 90965-06-3 5g $106 2024-03-01 Buy
TCI Chemical D5048 Dimethyl (1-Diazo-2-oxopropyl)phosphonate (10% in Acetonitrile) 90965-06-3 25g $306 2024-03-01 Buy
Product number Packaging Price Buy
742724 10ml $487 Buy
D3546 1g $218 Buy
D3546 5g $696 Buy
D5048 5g $106 Buy
D5048 25g $306 Buy

Dimethyl (1-Diazo-2-oxopropyl)phosphonate Chemical Properties,Uses,Production

Description

Dimethyl (1-diazido-2-oxopropyl)phosphonate is a liquid-added organophosphorus flame retardant with good solubility with water, common organic solvents, and inorganic salts flame retardants, with excellent flame retardant properties, low price and low additive amount and other advantages.

Chemical Properties

Light yellow liquid

Application

Dimethyl (1-diazo-2-oxopropyl)phosphonate can be used as a reagent for the synthesis of:
Ethynyl compounds (alkynes) from aldehydes.
Isoquinoline and pyridine N-oxides by cyclization with oximes in the presence of Rh catalyst.
Dimethyl(diazomethyl)phosphonate through methanolysis, which is further employed as a reagent in the synthesis of enol ethers or alkynes.
Five-member heterocyclic scaffolds of pyrazoles, triazoles, and oxazoles via cycloaddition reaction and multicomponent reaction.

Uses

Reagent for transformation of aldehydes to terminal alkynes and ketones to methyl enol ethers.

Synthesis

Dissolve NaH (0.67 g, 60% w/w, 16.75 mmol) in benzene (45 mL) and dry THF (15 mL). Cool the mixture on ice. A solution of dimethyl (2-oxopropyl) phosphonate (15.3 mmol) in dry benzene (15 mL) was added. A white solid was formed. The reaction mixture was stirred at room temperature for 1 hour. To the mixture was added a solution of toluidic acid hydrazide (16.23 mmol) in dry benzene (7.5 mL). The mixture was stirred at room temperature overnight. The mixture was filtered with Hyflo. The mixture was concentrated in a vacuum to give dimethyl (1-diazido-2-oxopropyl)phosphonate.

Global( 229)Suppliers
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Capot Chemical Co.,Ltd.
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Henan Tianfu Chemical Co.,Ltd.
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View Lastest Price from Dimethyl (1-Diazo-2-oxopropyl)phosphonate manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Dimethyl (1-diazo-2-oxopropyl)phosphonate pictures 2022-09-14 Dimethyl (1-diazo-2-oxopropyl)phosphonate
90965-06-3
US $0.00-0.00 / KG 1KG 98% 1Ton Henan Aochuang Chemical Co.,Ltd.
	(1-DIAZO-2-OXO-PROPYL)-PHOSPHONIC ACID DIMETHYL ESTER pictures 2019-07-06 (1-DIAZO-2-OXO-PROPYL)-PHOSPHONIC ACID DIMETHYL ESTER
90965-06-3
US $1.00 / kg 1kg as customer's need 1000kg Career Henan Chemical Co
(1-DIAZO-2-OXO-PROPYL)-PHOSPHONIC ACID DIMETHYL ESTER (1-DIAZO-2-OXO-PROPYL)-PHOSPHONIC ACID DIMETHYL ESTER BESTMANN OHIRA REAGENT Dimethyl 1-Diazoacetonylphosphonate diMethyl(1-diazo-2-oxopropyl)phosphanate (1-Diazo-2-oxopropyl)phosphonic Acid Dimethyl Ester Dimethyl 1-Diazoacetonylphosphonate 1-Diazoacetonylphosphonic Acid Dimethyl Ester Ohira-Bestmann Reagent Phosphonic acid,P-(1-diazo-2-oxopropyl)-, diMethyl ester Dimethyl (1-azoacetonyl)phosphonate solution Dimethyl (1-diazo-2-oxopropyl)phosphonate solution Dimethyl (acetyldiazomethyl)phosphonate solution dimethyl (4-oxo-4,5-dihydro-3H-pyrazol-3-yl)phosphonate Dimethyl (1-Diazo-2-oxopropyl)phosphonate (10% in Acetonitrile) Dimethyl (1-diazo-2-oxo-prop-1-yl)phosphonate Dimethyl (1-diazo-2-oxopropyl)-phosphonatephosphonate Dimethyl (1-azoacetonyl)phosphonate Dimethyl (1-diazo-2-oxopropyl)phosphonate≥ 98% (HPLC) dimethyl (2-oxopropanimidoyl)phosphonate Dimethyl (1-Diazo-2-oxopropyl)phosphonat Dimethyl(1-Diazo-2-oxopropyl)phosphonate> Dimethyl (1-diazo-2-oxopropyl)phosphonate, 97%, for synthesis Dimethyl (1-Diazo-2-Oxopropyl)Phosphonate Solution,>98% 1-diazonio-1-dimethoxyphosphorylprop-1-en-2-olate (1-Diazo-2-oxo-propyl)-phosphonic acid dimethyl ester, 99+% (1Z)-1-diazonio-1-(dimethoxyphosphoryl)prop-1-en-2-olate DIMETHYL (1-DIAZO-2-OXOPROPYL)PHOSPHONATE 1-Diazoacetonylphosphonic Acid Dimethyl Ester Ohira-Bestmann reagent 1-Diazo-1-dimethoxyphosphoryl-propan-2-one Dimethyl (acetyldiazomethyl)phosphonate dimethyl 1-(1-diazo-2-oxopropyl)phosphonate (S)-2-(Cyclohexylmethyl)succinicacid-4-methyl ester 90965-06-3 90965-06-5 C5H9N2O4P